This adapter from Mad Bull is designed for rifles which have a 14mm clockwise (CW) threaded muzzle such as those made by Ares and G&P. The adapter has internal 14mm CW threading and external 14mm CCW threading. So, with this adapter installed you would be able to use 14mm CCW accessories on your 14mm CW threaded rifle.

Designed for Ares, G&P or any other rifle which has a 14mm CW threaded muzzle.